Mobile power supply trailer



FIG. 1 is a front plan view embodying my new design;

FIG. 2 is a rear plan view;

FIG. 3 is a side plan view taken from the right side of FIG. 1;

FIG. 4 is a side plan view taken from the left side of FIG. 1; and,

FIG. 5 is a top plan view. 

CLAIM The ornamental design for a mobile power supply trailer, as shown. 